M76.5 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
M76.50
Patellar tendinitis, unspecified knee
Billable
10
M76.51
Patellar tendinitis, right knee
Billable
10
M76.52
Patellar tendinitis, left knee
Billable